Unbalanced shaft

Orbiting crankshaft drive pin and associated drive pin sleeve geometry

Combined hub, counterweight and crank arm with single piece steel body

Equalizing mechanism of welding apparatus

Refrigerant recovery machine with improved cam wheel assembly

Non-rotating shaft for a continuous casting machine

Drive shaft

Bicycle eccentric bottom bracket

Automatic stepless transmission

Crankshaft having first and second eccentric portions

Seed singulator adjuster for a seed meter

Scotch yoke with anti-lash assembly

Body pulsating method and apparatus

Hermetic compressor

Scroll compressor with an eccentric pin having a higher contact point

Scroll compressor with complex fillets between eccentric pin and shaft shoulder

Propellantless propulsion engine

Body pulsating method and apparatus

Flywheel having an offset center of mass with respect to the axis of rotation